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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b01734
|2 doi
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|a eng
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|a Steyskal, Eva-Maria
|e verfasserin
|4 aut
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|a Electrochemically Tunable Resistance of Nanoporous Platinum Produced by Dealloying
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 30.05.2018
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|a Date Revised 30.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The extremely high surface-to-volume ratio of nanoporous platinum (np-Pt) produced by dealloying was applied for tuning electrical resistance by surface charging. In the as-dealloyed state, a characteristic sign-inversion of the charging-induced resistance variation occurs, which can be associated with the electronic structure of PtO. After electrochemical reduction, the relative resistance variations of np-Pt of up to 58% could be generated by electrochemically induced adsorption and desorption, which was 1 order of magnitude larger compared with that of cluster-assembled nanocrystalline Pt. Although the maximum resistance variation was also higher than that of dealloyed nanoporous gold (np-Au), the resistance variation related to the imposed charge was reduced owing to the higher bulk resistance of Pt compared with that of Au. The sign-inversion behavior of the resistance could be recovered by re-oxidation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Qi, Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pölt, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Albu, Mihaela
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Weissmüller, Jörg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Würschum, Roland
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 32(2016), 31 vom: 09. Aug., Seite 7757-64
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|x 1520-5827
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| 773 |
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|g volume:32
|g year:2016
|g number:31
|g day:09
|g month:08
|g pages:7757-64
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|u http://dx.doi.org/10.1021/acs.langmuir.6b01734
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